Negative Buzz for Green Mountain Coffee

With a weaker-than-expected revenue forecast for the current quarter, don't expect shares to perk up anytime soon.

Correction: A previous version of this story misspelled CEO Brian Kelley's last name.

After getting a much needed jolt last autumn, due to the arrival of a new CEO and a rosy outlook for 2013, Green Mountain Coffee Roasters tumbled Thursday due to a weak revenue forecast for the current quarter.

Late Wednesday, Green Mountain (ticker: GMCR), the maker of the Keurig brewers and single-serve pods, reported...